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이규열 ( Kyu Yeol Lee ),이권철 ( Kwon Choel Lee ),김주언 ( Ju Eon Kim ),김신 ( Shin Kim ),안정민 ( Jung Min Ahn ),임태호 ( Tae Hyo Im ) 한국물환경학회 2015 한국물환경학회지 Vol.31 No.6
In this study the releasing of nutrients from sediments of Nak-dong River were investigated. We perfomed lab-scale simulation experiments using field sediment and ware. Nutrients, orgarni matter, particle size of the sediments and nutrients of released water were analyzed. Analyzed results of the sediments, mainly composed of mS(muddy Sand) sedimentary facies and IL were 2.46~6.83%, T-N were 1.189~2.492 mg/kg, and T-P were 333~726 mg/kg in the study area. Analyzed results of the nutrients of released water, pH and TOC were each 7.8~9.2% and 31.7~40.8% decreased after 20 days. T-N increased steadily, and NH3-N increased steadily then decreased, at this time NO3-N increase. Also NH3-N increased steadily, then decreased at this time. Furthermore release of phosphorus were mostly decreased.
라이프스타일에 따른 중·장년층의 주거선호 특성영향 연구 : 수도권을 중심으로
이규열(Lee, Kyu-Yeol),최민섭(Choi, Min-Seob) 한국주거환경학회 2020 주거환경(한국주거환경학회논문집) Vol.18 No.3
본 연구는 100세 시대를 준비하는 수도권의 중·장년층을 대상으로 라이프스타일에 따른 주거선호특성요인을 도출하기 위한 전제로서 그 의미가 있다 이를 위하여 수도권 중·장년층의 일반적인 특성을 파악하고 예비노년층의 주거수요를 측정하기 위한 라이프스타일의 측정방법에 대한 이론을 고찰한 후 주거선호특성 연구를 위한 주거환경과 주거만족도, 주거선호도에 대한 선행연구를 검토한다. 이를 바탕으로 수도권에 거주하는 중·장년층을 대상으로 설문조사를 위한 변수들을 선정하고, 각 요인별 중요도를 파악하는 설문조사를 실시한다. 그리고 설문조사의 내용을 분석하여 100세 시대를 준비하는 수도권의 중·장년층을 대상으로 라이프스타일에 따른 주거선호특성영향요인을 도출하고자 한다. 본 연구에서는 서울, 경기, 인천에 거주하는 40세 이상 64세 이하의 중·장년층을 대상으로 미래주거수요에 대한 일련의 항목을 가지고 구매여력이 있는 집단의 주거수요를 살펴보았다. 구체적으로는 주거수요에 있어 인구통계학적요인 같은 양적 측면뿐 아니라 라이프스타일 같은 질적 요인도 고려하는 동시에, 주거선택 선호도에 따른 변수도 함께 고려하여 어떠한 영향을 미치는지를 살펴보고자 하였다. 실증분석을 통한 연구 결과는 다음과 같다. 첫째, 중·장년층의 개별특성요인과 라이프스타일 요인은 주거수요에 영향을 미친다는 것이다. 인구통계학적특성만을 가지고 분석한 기존의 연구결과와는 다르게 본 연구에서는 인구통계학적특성 변수가 주거수요를 기존연구들만큼 설명하지는 못하였다. 그러나 보다 적은 개수의 라이프스타일 변수가 주거수요에 유의미하게 영향을 끼친다는 것을 밝혔다는 점에서 연구의 의의가 있다. 둘째, 일반적 이론에서는 주거수요를 개인소득, 연령, 가족구성원의 규모, 가족 구성원의 요구, 주거소비태도와 같은 다양한 요인들이 작용하고 있다. 그러나 계량과 측정이 불가능한 변수도 존재함으로 의사결정과정에 대한 소비자 태도를 설명하기에는 부족한 측면도 있다. 그러나 라이프스타일이라는 다소 주관적인 요인을 추가함으로 미래주거수요를 예측하거나 분석하는데 도움을 주고자 하였다. 셋째, 인구통계학적요인과 라이프스타일요인 모두 주택유형에 따라 선택결과는 다르게 나타난다. 특히 본 연구에서는 아파트를 주로 연구하는 것에서 탈피하여 다양한 주택과 주거선택 시 선호하는 특성을 반영하여 새로운 관점을 제시하였다는 것이다. 넷째, 기존연구에서 분석된 주거선택유형과도 차별화된 관점을 제시한다. 임기흥(2015)은 베이비붐 세대가 은퇴 이후 선호하는 주택이 전원주택 및 타운하우스(39.0%), 아파트(38.4%), 단독주택(8.6%), 도시형생활주택(7.1%), 장기임대아파트(2.8%), 빌라 및 연립주택(1.5%), 실버타운(1.5%), 오피스텔(0.5%) 순으로 조사되었다고 하였다. 그러나 본 연구에서는 아파트와 단독주택순으로 만족도가 높게 나타났다. 이는 생활양식의 변화와 다양한 주거수요욕구가 반영된 결과로 기존 연구와 차별화된다. 이상의 분석결과는 다음의 시사점을 제공한다. 먼저 본 연구를 통해 확인된 중·장년층의 주거수요특성은 간과하기 쉬운 개인의 라이프스타일까지 고려가 필요하다는 것을 밝혀내었다. 본 연구의 의의는 이러한 중·장년층의 주거수요에 영향을 주는 다양한 측면을 고려하여 실증분석 하였다는 것이다. Globally, low birthrate and aging are common and are emerging as various social problems. Middle-aged and senior citizens who have to live in the age of 100 have the greatest influence on the choice and planning of housing. It can be said to be the leading layer. This study examines the theory of lifestyle measurement method to determine the general characteristics of middle-aged and elderly in the metropolitan area to derive the characteristics of housing preference according to lifestyle for the middle-aged and elderly, and to measure the residential demand of the preliminary elderly After that, a survey was conducted to determine the importance of each factor by reviewing the preceding studies on the housing environment, housing satisfaction, and housing preference for the study of residential preference characteristics, and then derived factors affecting residential preference characteristics. The research results through empirical analysis are as follows. First, the individual characteristic factors and lifestyle factors of the middle-aged and elderly people have an effect on housing demand. Second, it was intended to help predict or analyze future housing demand by adding a somewhat subjective factor of lifestyle to the general theory. Third, both demographic and lifestyle factors have different selection results depending on the housing type. Fourth, a differentiated perspective from the type of housing choice analyzed in previous studies was presented. The above analysis results provide the following implications. First, it was revealed that the characteristics of the housing demand of middle-aged and elderly people identified through this study need to be considered even the lifestyle of individuals that are easy to overlook. The significance of this study is that the empirical analysis was conducted in consideration of the various aspects that influence the housing demand among the middle and the elderly.
낙동강에서 유기오염 및 SS 농도 변화에 따른 DOC 농도 변화의 특성
이규열 ( Kyu Yeol Lee ),김주언 ( Ju Eon Kim ),이권철 ( Kwon Chul Lee ),이경락 ( Kyung Lak Lee ),이인정 ( In Jung Lee ),임태효 ( Tea Hyo Im ) 한국물환경학회 2013 한국물환경학회지 Vol.29 No.4
Temporal increase of SS induces concentrations in various forms of organic matter including BOD, COD, TOC. Consequently, it causes hard to identify sources of water pollution during or after precipitation. The objective of this study is to investigate variations of DOC concentration caused by increase of flow and changes of external factors in river by comparing to SS concentration. In results, monitoring sites (e.g., Banbyeonchen) consisting of hard riverbed showed high correlation between SS and organic matters, except BOD. On the contrary, other sites (e.g., Naesungcheon) where riverbed consists of sand were found in a wide range of annual fluctuation in SS level, whereas these sites showed a narrow range in annual DOC fluctuation. In Gumhogang and Namgang, a lower correlation between SS and other factors was found most likely because of high concentration in organic matter. However, lower annual fluctuation values of DOC were observed in comparison to those of COD and TOC. Similar results were also confirmed in main river sites, Sangju and Mulgeum. In conclusion, DOC concentration is better indicator for monitoring organic matter which cannot be provided by BOD, COD, TOC in the Nakdong river basin.
이명진,이규열,김성수,김철홍,왕립,김현준,김기웅,Lee, Myoung Jin,Lee, Kyu Yeol,Kim, Sung Soo,Kim, Chul Hong,Wang, Lih,Kim, Hyeon Jun,Kim, Ki Woong 대한족부족관절학회 2013 대한족부족관절학회지 Vol.17 No.3
Purpose: To evaluate correlation between the clinical results and causative bacteria in diabetic foot patients with lower extremity amputation. Materials and Methods: One hundred twenty nine patients(131 feet) of diabetic foot amputations were followed for more than one year. Wound cultures were done by deep tissue or bone debris at first visit to our clinics. Retrospective analysis was performed using chart review and interview with the patients. Depending on the culture result, level of amputation, reinfection, duration of treatment, death rate, patient satisfaction and admission dates were evaluated. Results: Microorganisms were confirmed in 114 cases. In the other 17 cases, there were no cultured microorganisms. In bacterial growth group, Methicillin-sensitive Staphylococcus aureus was the most common pathogen and accounted for 34 cases. As other common pathogens, there were Methicillin-resistant Staphylococcus aureus(24 cases) and mixed infection(14 cases). Mortality is no difference in each infected group. Mixed bacterial infected patients have higher reinfection, longer hospital day and duration of treatment, but there is no difference in patients satisfaction and pain at last follow up. Conclusion: The most common pathogen in diabetic foot patients with lower extremity amputation was Methicillin-sensitive Staphylococcus aureus, and mixed bacterial infected patients have higher reinfection rate, longer admission date and duration of treatment than other bacterial infected patients.
LCS ( Low Contact Stress ) 인공 슬관절을 이용한 슬관절 전 치환술
손성근,김경택,이규열,김병환,김성완,김형섭 ( Sung Keun Sohn,Kyung Teak Kim,Kyu Yeol Lee,Byeong Hwan Kim,Sung Wan Kim,Hyung Sup Kim ) 대한슬관절학회 1996 대한슬관절학회지 Vol.8 No.2
The Low Contact Stress(L.C.S.) knee prosthesis was reported that it had low contact stress and low conslraint force. Authors used the L.C.S. knee prosthesis in SO patients(61 knees) during March 1991 to Septemher 1993 with mean 2 years 3 months follow-up period at Dong-A University Hospitai. The Hospital for Special Surgery knee rating scale, the range of motion, and radiographic evaluat.ion were used t'or f'inal assessrnent. The knee score was increased from average 48.6 points pre-operatively to 82.4 points postoperatively. The I.inge ot notion was increased from average 84o pre-operative]y to 122o posl.operatively. The femorotibial angle was average 6.3o valgus postoperatively. We report that good results were obtainecl in the patients who had authroplasties with the L.C.S. prosthesis.
슬관절경 시술후 주입펌프로 인한 합병증 - 3례 보고 -
손성근,김경택,이규열,김형섭 ( Sung Keun Sohn,Kyung Teak Kim,Kyu Yeol Lee,Hyung Sup Kim ) 대한슬관절학회 1995 대한슬관절학회지 Vol.7 No.2
This is a report of the complication in three cases caused by the use of an automated arthmscopy pump in 176 patients undergoing knee arthroscopy. The first patients had exhavasation of fluid into the thigh, requiring careful observation of the procedure. The second patients developed a peroneal and sural nerve palsy. The third patient developed severe fluid extravasation into the lower leg compartments. During 9-month peiriod, a complication rate of 1.7% from fluid extravasation during knee arthroscopy was noted. Each patient had healthy recovery. This review represents our initial experience with the infusion pump. The use of an infusion pump should be avoided if capsular tears are suspected,